diff options
| -rw-r--r-- | include/strings.h | 13 | ||||
| -rw-r--r-- | src/strings/bcopy.c | 34 |
2 files changed, 46 insertions, 1 deletions
diff --git a/include/strings.h b/include/strings.h index 6186b1a..505e8ec 100644 --- a/include/strings.h +++ b/include/strings.h @@ -36,7 +36,8 @@ * @param segment The memory segment to override. * @param size The size of the memory segment. */ -void bzero(void*, size_t) __deprecated("Use 'memset', 'explicit_bzero' or 'secure_free' instead."); +void bzero(void*, size_t) + __deprecated("Use 'memset', 'explicit_bzero' or 'secure_free' instead."); #if !defined(_PORTABLE_SOURCE) && (defined(_SLIBC_SOURCE) || defined(_BSD_SOURCE)) /** @@ -51,6 +52,16 @@ void bzero(void*, size_t) __deprecated("Use 'memset', 'explicit_bzero' or 'secur void explicit_bzero(void*, size_t); #endif +/** + * Copy a memory segment to another, possibly overlapping, segment. + * + * @param whence The source memory segment. + * @param whither The destination memory segment. + * @param size The number of bytes to copy. + */ +void bcopy(const void*, void*, size_t) + __deprecated("Use 'memmove', or similar function, instead, but be aware of reordered paramters."); + #endif diff --git a/src/strings/bcopy.c b/src/strings/bcopy.c new file mode 100644 index 0000000..47bbc1c --- /dev/null +++ b/src/strings/bcopy.c @@ -0,0 +1,34 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <strings.h> +#include <string.h> + + + +/** + * Copy a memory segment to another, possibly overlapping, segment. + * + * @param whence The source memory segment. + * @param whither The destination memory segment. + * @param size The number of bytes to copy. + */ +void bcopy(const void* whence, void* whither, size_t size) +{ + memmove(whither, whence, size); +} + |